57249005 has 8 divisors (see below), whose sum is σ = 74944224. Its totient is φ = 41635600.

The previous prime is 57248999. The next prime is 57249007. The reversal of 57249005 is 50094275.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57249005 - 2⁶ = 57248941 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57249007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520391 + ... + 520500.

It is an arithmetic number, because the mean of its divisors is an integer number (9368028).

Almost surely, 2^57249005 is an apocalyptic number.

57249005 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

57249005 is a deficient number, since it is larger than the sum of its proper divisors (17695219).

57249005 is a wasteful number, since it uses less digits than its factorization.

57249005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040907.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 57249005 is about 7566.3072234743. The cubic root of 57249005 is about 385.4097060865.

The spelling of 57249005 in words is "fifty-seven million, two hundred forty-nine thousand, five".